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2025-11-18 - 21:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Tue Nov 18, 2025 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110050640,0irq/25-eth00-21swapper/307:05:223
110050610,0irq/25-eth00-21swapper/107:05:241
9950560,0irq/24-0000:00:0-21swapper/007:05:410
110050550,0irq/25-eth00-21swapper/207:09:582
20816991615,0cyclictest0-21swapper/112:14:341
2081599160,0cyclictest0-21swapper/009:14:340
2081799150,0cyclictest32653-21sshd11:28:422
2081799150,0cyclictest0-21swapper/207:10:242
2081699150,0cyclictest0-21swapper/107:10:161
110050150,0irq/25-eth012062-21bash10:01:191
41140,0ktimersoftd/00-21swapper/012:10:470
20818991413,0cyclictest0-21swapper/310:02:003
20818991413,0cyclictest0-21swapper/309:51:113
20818991411,0cyclictest0-21swapper/311:52:143
20818991411,0cyclictest0-21swapper/309:40:173
2081899140,0cyclictest12719-21diskmemload10:35:343
2081799140,0cyclictest0-21swapper/211:34:522
2081699140,0cyclictest9950irq/24-0000:00:10:56:301
20815991413,0cyclictest3060-21munin-run07:40:010
20815991413,0cyclictest19402-21sshd11:23:310
20815991412,0cyclictest0-21swapper/010:02:260
20815991411,0cyclictest21015-21sshd09:33:150
2081599140,0cyclictest17888-21id09:25:250
110050140,0irq/25-eth00-21swapper/312:00:503
271130,0ktimersoftd/227343-21sshd12:32:352
271130,0ktimersoftd/20-21swapper/211:35:052
20818991312,0cyclictest0-21swapper/310:46:163
20818991312,0cyclictest0-21swapper/310:46:163
20818991312,0cyclictest0-21swapper/310:30:353
20818991312,0cyclictest0-21swapper/309:17:103
20818991312,0cyclictest0-21swapper/309:14:303
20818991311,0cyclictest0-21swapper/310:57:533
2081899130,0cyclictest110050irq/25-eth012:10:563
2081899130,0cyclictest0-21swapper/311:27:233
2081899130,0cyclictest0-21swapper/310:40:333
20817991312,0cyclictest23475-21sshd09:48:202
20817991312,0cyclictest0-21swapper/211:54:432
20817991312,0cyclictest0-21swapper/210:29:482
20817991312,0cyclictest0-21swapper/209:52:102
20817991312,0cyclictest0-21swapper/209:38:002
20817991312,0cyclictest0-21swapper/209:34:452
20817991311,0cyclictest0-21swapper/211:45:052
2081799130,0cyclictest0-21swapper/210:19:492
20816991312,0cyclictest0-21swapper/111:58:111
20816991312,0cyclictest0-21swapper/111:40:041
20816991311,0cyclictest22256-21sshd11:31:001
20815991312,0cyclictest13275-21bash11:19:060
20815991312,0cyclictest13275-21bash11:19:060
20815991312,0cyclictest0-21swapper/011:49:530
191130,0ktimersoftd/10-21swapper/111:20:051
110050130,0irq/25-eth0788-40kipmi011:40:182
20818991211,0cyclictest18455-21sshd12:19:393
20818991211,0cyclictest0-21swapper/310:05:503
20818991211,0cyclictest0-21swapper/309:37:023
20818991210,0cyclictest0-21swapper/309:55:023
2081899120,0cyclictest5222-21sshd10:30:003
2081899120,0cyclictest0-21swapper/310:24:253
20817991211,0cyclictest7257-21sshd12:36:462
20817991210,0cyclictest6394-21sshd09:12:482
20817991210,0cyclictest0-21swapper/208:11:002
20817991210,0cyclictest0-21swapper/208:10:592
2081799120,0cyclictest0-21swapper/211:24:172
2081799120,0cyclictest0-21swapper/211:06:312
2081799120,0cyclictest0-21swapper/211:00:202
2081799120,0cyclictest0-21swapper/210:55:222
2081799120,0cyclictest0-21swapper/210:44:482
2081799120,0cyclictest0-21swapper/210:34:482
2081799120,0cyclictest0-21swapper/210:09:282
20816991212,0cyclictest0-21swapper/109:48:541
20816991211,0cyclictest29914-21sshd09:52:441
20816991211,0cyclictest0-21swapper/112:19:121
20816991210,0cyclictest17323-21sshd10:45:561
20816991210,0cyclictest17323-21sshd10:45:561
2081699120,0cyclictest0-21swapper/111:07:391
2081699120,0cyclictest0-21swapper/111:00:131
2081699120,0cyclictest0-21swapper/110:34:461
20815991211,0cyclictest18687-21sshd11:55:360
20815991211,0cyclictest0-21swapper/011:11:540
20815991211,0cyclictest0-21swapper/010:36:210
20815991210,0cyclictest12719-21diskmemload11:41:240
20815991210,0cyclictest0-21swapper/011:27:550
2081599120,0cyclictest0-21swapper/012:23:130
2081599120,0cyclictest0-21swapper/011:06:180
2081599120,0cyclictest0-21swapper/010:26:210
2081599120,0cyclictest0-21swapper/009:17:140
110050120,0irq/25-eth029693-21sshd11:13:432
110050120,0irq/25-eth00-21swapper/310:19:523
110050120,0irq/25-eth00-21swapper/109:40:521
351110,0ktimersoftd/320925-21sshd12:31:583
271110,0ktimersoftd/20-21swapper/212:18:532
271110,0ktimersoftd/20-21swapper/212:10:452
20818991111,0cyclictest0-21swapper/311:32:233
20818991111,0cyclictest0-21swapper/311:03:273
20818991111,0cyclictest0-21swapper/310:52:533
20818991110,0cyclictest30670-21smart_sda09:45:233
20818991110,0cyclictest0-21swapper/311:22:583
20818991110,0cyclictest0-21swapper/309:30:313
20818991110,0cyclictest0-21swapper/308:14:193
20818991110,0cyclictest0-21swapper/308:14:183
2081899110,0cyclictest0-21swapper/308:40:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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